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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#706818 | #9521. Giving Directions in Harbin | warner1129# | AC ✓ | 6ms | 3784kb | C++20 | 1.4kb | 2024-11-03 13:33:29 | 2024-11-03 13:33:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(v) (v).begin(), (v).end()
bool chmin(auto &a, auto b) { return (b < a) and (a = b, true); }
bool chmax(auto &a, auto b) { return (a < b) and (a = b, true); }
using i64 = long long;
void solve() {
const vector<pair<int, int>> dirs{
{0, 1}, // N
{1, 0}, // E
{0, -1}, // S
{-1, 0}, // W
};
auto getd = [&](char c) {
return string{"NESW"}.find(c);
};
int op;
cin >> op;
vector<pair<char, int>> ans;
int cur = -1;
int st = -1;
while (op--) {
char c;
int d;
cin >> c >> d;
if (cur == -1) {
st = getd(c);
cur = getd(c);
} else {
int dif = (getd(c) - cur + 4) % 4;
assert(dif != 2);
if (dif == 1) {
ans.push_back({'R', -1});
} else if (dif == 3) {
ans.push_back({'L', -1});
}
cur = getd(c);
}
ans.push_back({'Z', d});
}
cout << ans.size() << ' ' << "NESW"[st] << '\n';
for (auto [a, b] : ans) {
if (b == -1) {
cout << a << '\n';
} else {
cout << a << ' ' << b << '\n';
}
}
}
signed main() {
cin.tie(0)->sync_with_stdio(false);
cin.exceptions(cin.failbit);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3508kb
input:
1 2 S 2 E 1
output:
3 S Z 2 L Z 1
result:
ok ok (1 test case)
Test #2:
score: 0
Accepted
time: 1ms
memory: 3484kb
input:
99 4 E 6 N 1 W 2 S 8 8 W 10 N 1 E 10 S 2 E 2 N 2 W 2 S 1 9 N 5 E 4 N 7 E 6 S 9 E 8 N 4 W 6 N 7 6 N 6 E 6 N 8 W 9 S 7 E 2 8 E 6 S 9 W 5 S 4 W 6 N 4 E 5 N 9 8 N 6 W 10 N 6 W 6 S 6 E 6 S 6 E 10 10 N 7 W 3 N 5 W 5 S 8 W 10 N 6 E 9 N 8 E 8 8 W 9 N 10 E 6 S 10 E 9 S 10 W 6 N 10 4 W 5 N 1 E 5 S 1 4 W 4 S 8...
output:
7 E Z 6 L Z 1 L Z 2 L Z 8 15 W Z 10 R Z 1 R Z 10 R Z 2 L Z 2 L Z 2 L Z 2 L Z 1 17 N Z 5 R Z 4 L Z 7 R Z 6 R Z 9 L Z 8 L Z 4 L Z 6 R Z 7 11 N Z 6 R Z 6 L Z 8 L Z 9 L Z 7 L Z 2 15 E Z 6 R Z 9 R Z 5 L Z 4 R Z 6 R Z 4 R Z 5 L Z 9 15 N Z 6 L Z 10 R Z 6 L Z 6 L Z 6 L Z 6 R Z 6 L Z 10 19 N Z 7 L Z 3 R Z 5 ...
result:
ok ok (99 test cases)
Test #3:
score: 0
Accepted
time: 6ms
memory: 3784kb
input:
10000 1 W 9 1 N 3 10 W 10 N 7 W 5 S 9 W 9 S 8 E 9 S 6 E 5 S 5 2 E 8 S 10 2 N 7 W 5 5 S 4 W 3 S 7 E 4 N 7 8 N 7 E 8 N 3 E 9 S 5 W 5 S 9 W 10 9 W 9 S 6 E 6 N 8 W 5 N 6 W 3 N 8 W 7 3 S 9 W 2 N 10 5 N 6 E 4 N 6 E 10 N 1 10 S 7 W 4 N 3 E 5 S 7 W 8 N 2 E 8 N 4 W 8 8 S 9 W 1 N 4 E 6 N 1 W 8 N 6 W 6 4 W 10 ...
output:
1 W Z 9 1 N Z 3 19 W Z 10 R Z 7 L Z 5 L Z 9 R Z 9 L Z 8 L Z 9 R Z 6 L Z 5 R Z 5 3 E Z 8 R Z 10 3 N Z 7 L Z 5 9 S Z 4 R Z 3 L Z 7 L Z 4 L Z 7 15 N Z 7 R Z 8 L Z 3 R Z 9 R Z 5 R Z 5 L Z 9 R Z 10 17 W Z 9 L Z 6 L Z 6 L Z 8 L Z 5 R Z 6 L Z 3 R Z 8 L Z 7 5 S Z 9 R Z 2 R Z 10 9 N Z 6 R Z 4 L Z 6 R Z 10 L ...
result:
ok ok (10000 test cases)
Extra Test:
score: 0
Extra Test Passed